Home / 17,721.54-26,574.32-5,237.20

Finding the Fourth Proportional to 17,721.54, 26,574.32 and 5,237.20

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Solution

The fourth proportional to 17,721.54, 26,574.32 and 5,237.20 is: 7,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.54 : 26,574.32 = 5,237.20 : x
  2. Step 2: Convert to fraction form
    17,721.54/26,574.32 = 5,237.20/x
  3. Step 3: Cross multiply
    17,721.54x = 26,574.32 × 5,237.20
  4. Step 4: Simplify right side
    17,721.54x = 139,175,028.70
  5. Step 5: Solve for x
    x = 139,175,028.70/17,721.54
  6. Step 6: Final answer
    x = 7,853.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.